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Question

The part of an eye which acts like a diaphragm of a
photographic camera is

A
pupil
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B
Iris
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C
Lens
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D
Cornea
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Solution

The correct option is B Iris
The iris of eye can be compared with the diaphragm of a camera as it regulates the amounts of light entering in eye by constricting or dilating the pupil.

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